using tools mounted on a drum

using tools mounted on a drum · Cooperative Patent Classification (CPC)

Separating, mixing, shaping, printing, and transporting materials.

Related technology areas

Mapped technology topics for this CPC code.

CPC classification statistics
MetricValue
CPC codeB31B50/256
Official title{using tools mounted on a drum}
Display labelusing tools mounted on a drum
Total patents97

Filing trend

Year-over-year patent counts classified under this CPC code.

Filing activity over the last five years is declining.

Patents filed per year
YearPatents
20157
20164
201711
20189
20194
202014
202114
20228
202312
20247
20257

Representative patents

Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.

Frequently asked questions

Answers are generated from the same data shown on this page.

What is CPC B31B50/256?
CPC B31B50/256 is the Cooperative Patent Classification code for “using tools mounted on a drum.”
How many patents are filed under CPC B31B50/256 (using tools mounted on a drum)?
Our database includes 97 publications tagged with this CPC code.
Is patent activity under CPC B31B50/256 growing?
Publication counts under this code: 7 in 2024 vs 7 in 2025 (latest complete years).